transubstantiate vs turn into

transubstantiate

verb
  • To change one substance into another; to transmute. 

  • To change the bread and wine of the Eucharist into the body and blood of Jesus. 

turn into

verb
  • To transform into; become. 

  • To transform into; cause to become. 

How often have the words transubstantiate and turn into occurred in a corpus of books? (source: Google Ngram Viewer )